var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
// var logger = require('morgan');

var indexRouter = require('./routes/index');
let apiRouter = require("./routes/api");
const JWT = require('./util/JWT');

// require("./util/removePicture")

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// 校验token
app.use((req,res,next)=>{
  if(req.url==="/api/admin/user/login"||req.url.includes("/api/admin/upload")){
    next()
    return
  }
  const token = req.headers['authorization']?.split(" ")[1]
  if(token){
    let payload = JWT.verify(token)
    if(JWT.verify(token)){
      const newToken = JWT.generate({
        _id:payload._id
      },"1d")
      res.header("Authorization",newToken)
      next()
    }else{
      res.status(401).send({
        code:-1,
        message:"token过期"
      })
    }
  }
})

app.use('/', indexRouter);
app.use("/api",apiRouter)

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
